Radioactive Seed Loading Apparatus with Spring-Loaded Push Blocks
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
The variability of tumors in size, location, and infiltration into normal tissues makes it challenging to develop a one-size-fits-all approach for effective treatment, and the extent of tumors or voids created during debulking is often unknown until the operating room, necessitating diverse treatment options in brachytherapy.
Innovation Solution
A loading apparatus with a base and lid configuration that securely holds a radioactive seed carrier, featuring spring-loaded push blocks and alignment windows for precise seed placement, allowing for the accurate and safe embedding of radioactive seeds into carriers while minimizing user exposure to radiation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If manual handling of radioactive seeds is performed, then flexibility in seed placement is improved, but radiation exposure to the user increases
Solution Approach 1:
The patent employs automated loading apparatus and robotic systems as intermediaries to handle radioactive seeds during brachytherapy procedures. These systems include seed loading catheters, injection devices, and positioning mechanisms that can be controlled remotely or automatically, allowing precise seed placement while keeping the operator at a safe distance from the radioactive source.
Solution Approach 2:
The invention replaces manual mechanical handling of radioactive seeds with automated mechanical systems. The apparatus includes motorized seed injection devices, automated carrier loading mechanisms, and computer-controlled positioning systems that eliminate the need for direct manual manipulation of radioactive materials while maintaining precise placement capability.
2Measurement precision
If precise positioning of radioactive seeds is achieved, then treatment accuracy is improved, but device complexity increases
Solution Approach 1:
The loading apparatus is divided into modular functional components including seed carriers, injection devices, positioning mechanisms, and control systems. Each module performs a specific function and can be independently controlled or replaced, allowing precise positioning capability while managing overall system complexity through functional decomposition.
Solution Approach 2:
The patent designs multi-functional loading apparatus that can accommodate different seed types, carrier configurations, and implantation sites. The system includes universal interfaces, adjustable positioning mechanisms, and programmable control that enable a single device to perform multiple functions, reducing the need for multiple specialized devices while maintaining precision.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
Enables precise and diverse treatment by facilitating the accurate positioning of radioactive seeds within carriers, ensuring effective radiation delivery to tumor beds while reducing exposure to radioactive energy for the user.
Implementation Method 1
the lid having a spring-loaded push block configured to exert force towards the loading bed of the base
Data Source
AI summary
A loading apparatus is usable to embed radioactive seeds into carriers, while limiting exposure of the user to radioactive energy from the radioactive seeds. The loading apparatus facilitates accurate positioning of radioactive seeds within a carrier. The illustrated loaders comprise two components, a base and a lid, although in other embodiments the loaders may be separated into additional components.